How To Fix /SAPDMC/LSMW063 - An object with the name '&' for project '&' subproject '&' exists already

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPDMC/LSMW -

• Message number: 063

• Message text: An object with the name '&' for project '&' subproject '&' exists already

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPDMC/LSMW063 - An object with the name '&' for project '&' subproject '&' exists already ?

  The SAP error message /SAPDMC/LSMW063 indicates that there is an attempt to create an object (like a data mapping or a structure) in the Legacy System Migration Workbench (LSMW) that already exists. This typically occurs when you are trying to create a new object with the same name as an existing one within a specific project and subproject.
  Cause:
  
  Duplicate Object Name: The most common cause is that an object with the same name already exists in the specified project and subproject.
  Incorrect Project/Subproject: You might be working in the wrong project or subproject where the object already exists.
  Previous Import/Creation: The object may have been created in a previous session or by another user, leading to a conflict.
  
  Solution:
  
  
  Check Existing Objects: 
  
  Navigate to the LSMW transaction and check the existing objects in the specified project and subproject. Look for the object name that is causing the conflict.
  
  
  
  Rename the Object: 
  
  If you need to create a new object, consider renaming it to something unique that does not conflict with existing names.
  
  
  
  Delete or Modify Existing Object: 
  
  If the existing object is no longer needed, you can delete it or modify it as necessary. Be cautious with this approach, especially if the object is in use.
  
  
  
  Use a Different Project/Subproject: 
  
  If appropriate, consider using a different project or subproject to avoid naming conflicts.
  
  
  
  Consult Documentation: 
  
  Review any documentation or naming conventions that may be in place for your organization to ensure compliance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LSMW (Legacy System Migration Workbench) for managing data migration projects.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to LSMW and this specific error message.
  User Permissions: Ensure that you have the necessary permissions to create or modify objects in the specified project and subproject.
  
  By following these steps, you should be able to resolve the error and continue with your data migration tasks in SAP.